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This Cardboard Table Tennis Folds Down into a Portable Cardboard Suitcase

The next time you're stuck at an airport waiting for a delayed flight, instead of turning to your smartphone to pass the time, just make sure this cardboard version of table tennis is one of your carry-on items. In just seconds it can be unfolded and assembled into a working ping-pong table, complete with a cardboard net, cardboard paddles and cardboard scoreboard. Read More >>